EK/PBR 420SR Chain Kit 12/51-126 - Standard Sprocket
Designed for urban rides and transmission refurbishment, this EK SR chain kit includes a 420 chain with 126 links and a 12/51 configuration (sprocket/crown). The SR series focuses on a design that maintains the chain's flexibility even after prolonged use: the plates undergo a specialized heat treatment to enhance durability and strength, without using seals (seal-less chain).
- Type: 420 SR Chain Kit (seal-less)
- Configuration: 12 teeth sprocket / 51 teeth crown
- Number of links: 126
- Crown material: Steel
- Color: Steel/Steel
- Application: Urban
This kit is aimed at riders looking for a robust and straightforward component for the final drive of small displacement motorcycles and mopeds. Compatible with several versions of APRILIA RX 50 (1995–1997), it allows for effective refurbishment of the chain, sprocket, and crown. Remember to check the tension and lubricate regularly to maximize the lifespan of the entire assembly.
